#include <stdio.h>
    #include <unistd.h>

    int main()
    {
        char    *arglist[3];

        arglist[0] = "ls";
        arglist[1] = "-l";
        arglist[2] = 0 ;
        printf("* * * About to exec ls -l\n");
        execvp( arglist[0] , arglist );
        printf("* * * ls is done. bye\n");
    }
